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Thermo Scientific Orion Star A213 Benchtop and Star A223 and Star A323 Portable RDO/DO Meter Reference Guide
Chapter 9 Customer Services
Meter Errors and Recommended Actions
Error
Recommended Actions
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Disconnect all of the electrodes from the meter and repeat the self test.
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Make sure that all of the electrodes are disconnected from the meter and repeat the self test.
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Make sure that all of the electrodes are disconnected from the meter and repeat the self test.
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Repeat the self test. When the meter prompts, press each of the keys one at a time, including the
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Over Range Measurement or
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outside of the allowable measurement range. Make sure that the electrode is connected to the
appropriate meter input and the electrode parameters are entered correctly in the setup menu.
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Measurement Out of Range
Make sure that the electrode is connected to the appropriate meter input and the electrode
parameters are entered correctly in the setup menu. Clean the electrode according to the electrode
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